[Issue 4017] New: const initializer cannot evaluate size of forward referenced alias

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=4017

           Summary: const initializer cannot evaluate size of forward
                    referenced alias
           Product: D
           Version: 2.041
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Keywords: patch, rejects-valid
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: r.sagitario at gmx.de


--- Comment #0 from Rainer Schuetze <r.sagitario at gmx.de> 2010-03-27 06:00:38 PDT ---
struct _A
{
   uint data;
}

const A_SIZE =   (A.sizeof);

alias _A A;

yields:
test.d(9): Error: size of type _A is not known

Here's the patch

Index: expression.c
===================================================================
--- expression.c    (revision 421)
+++ expression.c    (working copy)
@@ -6096,6 +6096,7 @@
 #endif
     else
     {
+    e1 = e1->semantic(sc);
     e = e1->type->dotExp(sc, e1, ident);
     if (!(flag && e->op == TOKdotti))    // let CallExp::semantic() handle
this
         e = e->semantic(sc);

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